@article{TMF_1979_39_2_a9,
     author = {Yu. G. Rudoi},
     title = {Tensor of the inhomogeneous dynamic susceptibility of an~anisotropic {Heisenberg} ferromagnet and {Bogolyubov} inequalities},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {234--251},
     publisher = {mathdoc},
     volume = {39},
     number = {2},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1979_39_2_a9/}
}